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Revenue - Schedule of Revenue and Percentage Generated by Each Payor Type (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 2,928,738 | $ 2,610,399 | $ 2,314,394
U.S. Facilities [Member] |  |  |
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 2,928,738 | $ 2,610,399 | $ 2,314,394
Revenue, Percentage | 100.00% | 100.00% | 100.00%
U.S. Facilities [Member] | Commercial [Member] |  |  |
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 820,701 | $ 788,895 | $ 684,292
Revenue, Percentage | 28.00% | 30.20% | 29.60%
U.S. Facilities [Member] | Medicare [Member] |  |  |
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 441,761 | $ 394,227 | $ 364,598
Revenue, Percentage | 15.10% | 15.10% | 15.80%
U.S. Facilities [Member] | Medicaid [Member] |  |  |
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 1,578,518 | $ 1,319,600 | $ 1,147,884
Revenue, Percentage | 53.90% | 50.60% | 49.60%
U.S. Facilities [Member] | Self-Pay [Member] |  |  |
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 67,583 | $ 76,050 | $ 93,425
Revenue, Percentage | 2.30% | 2.90% | 4.00%
U.S. Facilities [Member] | Other [Member] |  |  |
Health Care Organization, Receivable and Revenue Disclosures [Line Items] |  |  |
Revenue | $ 20,175 | $ 31,627 | $ 24,195
Revenue, Percentage | 0.70% | 1.20% | 1.00%

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-4 + Details
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